that gave us the opportunity to not only work with lance armstrong. but work with literally dozens and dozens and dozens of cancer survivors and people affected by cancer. onkologists, oncologist nurses. people who were good bike riders as we would go in this tour of hope. the crowds would come out to meet lance, but sometimes the last applauses were for the cancer survivors themselves. people challenging cancer and it was very, very moving to all of us. >> but the lance armstrong foundation has raised about $500 million to fight cancer, selling more than 80 million yellow wrist bands. can you say he has done a lot of good in the fight against cancer? >> there's no question that he's done just an awesome job raising cancer to the highest profiles, i believe. i think my concern in the gist of my article in the "washington post" from yesterday is at the end of the day, i think it comes down to integrity and if we lose faith in our institutions and our leadership, you know, i think that in this case, randi, the ends don't necessarily justify the means. i